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After having sony mdr ex50's I decided I needed headphones with a little more punch for my electronic music. After listening to it once, I feel like there is nothing better in this price bracket with this much bass to offer. You can feel your chest tremble sometimes(it actually doesnt shake it), and it can sometimes be overwhelming for some. Overall, great headphones. Only downsides are the...” --Snyper0012

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http://www.head-fi.org/forum/thread/562428/review-kozee-infinity-x1-custom-molded-iem
See above for my in depth review. This really is a good product. The issue is with the company itself. As I mention in the review, they are not returning emails from customers. And when people do manage to track them down on the phone - they make promises that are apparently not kept. I like Kozee...” --project86